Re: General Soldering Method

Posted by H. L. Chauvin on May 14, 1998 at 20:57:49

In Reply to: Starter Field Coil Soldering
posted by Neil MacGregor on May 14, 1998 at 10:46:30

: I separated the field coils to rewrap them.Now I have to resolder them.But, I'm concerned about burning up my new wrappings as I attempt to reconnect the links.I'm using a small pinpoint propane torch since I need a sizable heat source to get them hot enough to solder.I need some type of heat sink/shield to protect the the wrappings.There is not a lot of room work with.Has anyone out there done this?How?
: Many thanks for your input/experience.

Hi Neil,
Ben, Carla, and Jack all have very good, keen advice.Here's a very similar old time way, repeating some of what has already been said by each of the above.(Just successfully retaped and resoldered two (2) starters not too long ago with "soldering iron" as follows).Clean both parts of all finger- prints with acetone, lacquer thinner, or similar product, and allow to dry.With a heavy soldering iron:
1. Apply solder to one individual heated part, and then applysolder to the other individual heated part, (referred to as"tinning" both parts separately).(This method requiresless heat because only one area of one part has to be heated at a time, and its easier to heat and controlheat on one part).
2. Allow the solder on both soldered parts to contact oneanother, hold them together securely, and apply only enoughheat to melt and fuse the solder already provided on both pieces. (This fusion will require less heat because bothsoldered parts do not have to be heated enough to allowsolder to adhere to the metal parts.)

3. Allow solder to cool sufficiently before moving parts.
:
Best wishes, Henry




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